1) The motor is directly connected to the impeller and belongs to high speed. The bearing needs to be regularly maintained with grease to prevent damage (including the bearing of the impeller).
2) The shaft power of the motor is proportional to the pressure. In order to prevent the long-term ultimate pressure from increasing the shaft power, the motor load is too heavy. The pressure relief valve is often used. It is an unloading valve when the gas ring vacuum pump is used. After the pressure exceeds the pressure set by the pressure relief valve, the pressure relief valve automatically opens to relieve excess pressure, thereby protecting the motor of the gas ring vacuum pump.
3) The internal mechanism of the gas ring vacuum pump is relatively tight, and the gap between the impeller and the casing is small, so it is necessary to filter debris and dust. For sundries, it is common to install a fine filter on the air inlet, dust, and often use a filter. It is based on different use sites, often using different filter precision filter cartridges, different filter cartridges have different maintenance methods and service life, you need to ask when ordering.
4) In some special occasions, special protection is needed: for example, when using in a sealed environment, pay attention to ventilation and heat dissipation; when the ambient temperature (the intake air temperature is relatively high), pay more attention to ventilation and heat dissipation, or choose to allow A gas ring vacuum pump with a high inlet air temperature.
The working principle of the gas ring vacuum pump:
When the impeller rotates, the gas ring vacuum pump forms a series of spiral motions due to the centrifugal force. The gas rotating motion between the impellers accelerates and draws gas outside the pump body from the air intake port, and the gas enters the outer air ring and returns to the base of the blade by the pressure difference to form a strong air flow. In this way, the gas is moved in the spiral direction in the gas ring to achieve the purpose of pressurization. After the gas moves to the exhaust port, since the pressure is greater than the system pressure, the gas is quickly discharged. The function of the Shanghai Haoguan gas ring vacuum pump for suction and air supply is widely used.
The RT-PCR Test Reagent Kit is a real-time, RT-PCR test intended for the qualitative detection of nucleic acid from SARS-CoV-2 in oropharyngeal and nasopharyngeal swab specimens from individuals suspected of COVID-19 by their healthcare provider. This test is also for use with anterior nasal swab specimens that are collected using the COVID-19 Test Collection Kit when used consistent with its authorization.
Results are for the identification of SARS-CoV-2 RNA. The SARS-CoV-2 RNA is generally detectable in the upper respiratory specimens during the acute phase of infection.
Positive results are indicative of the presence of SARS-CoV-2 RNA; clinical correlation with patient history and other diagnostic information is necessary to determine patient infection status.
Positive results do not rule out bacterial infection or co-infection with other viruses. The agent detected may not be the definite cause of disease.
Negative results do not preclude SARS-CoV-2 infection and should not be used as the sole basis for patient management decisions. Negative results must be combined with clinical observations,patient history,and epidemiological information.
PCR test Kit,PCR testing Kit,PCR detection kit,RT-PCR test reagent kit,RT-PCR test reagent
Shenzhen Uni-medica Technology Co.,Ltd , https://www.nbunimed-global.com